it looks like Inspire 4G owners will not have to wait much longer for 4G. Test reports for the Inspire 4G show approval for HSUPA and HSUPA+ goodness on WCDMA bands II and V, which should translate to a nice bump in wireless data speeds. No word on when this upgrade will actually occur, but wed guess that a software update will be pushed to users soon.

I think its more of AT&T caps upload speeds on phones that are actually capable of using a lot of bandwidth (an Atrix will strain the network more than a razr). thing is though, Apple is very protective of their stuff and does not allow AT&T to touch it. Therefore, higher upload seeds on iPhone.

MacRumors attracts a broad audience
of both consumers and professionals interested in
the latest technologies and products. We also boast an active community focused on
purchasing decisions and technical aspects of the iPhone, iPod, iPad, and Mac platforms.